<正>The national demonstration project for manufacturing 500 kt/a olefins from heavy feedstock(CPP) at the Shenyang Wax Chemical Co.,Ltd.of Shenyang Chemical Gr
【正】The removal of sulfur compounds(thiophene) from petroleum via extraction with ionic liquids was systematically studied.The ionic liquid[BMIM][PF<sub>6</sub>
【正】The V-P/HZSM-5 catalyst was prepared by impregnation method using HZSM-5 zeolite as the carrier.Its catalytic activity was examined on dehydration of bio-